Statement Of Financial Position [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — |
27,303,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
26,481,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets | — |
9,906,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
8,323,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — |
399,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
218,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets | — |
356,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
249,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
11,832,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
5,865,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Assets | — |
72,271,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
56,117,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — |
3,513,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
3,632,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — |
44,508,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
29,850,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests | — |
1,080,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
1,004,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Equity |
41,787,000,000
USD
|
45,588,000,000
USD
|
160,000,000
USD
|
135,000,000
USD
|
44,508,000,000
USD
|
1,080,000,000
USD
|
767,000,000
USD
|
3,513,000,000
USD
|
26,698,000,000
USD
|
1,004,000,000
USD
|
42,000,000
USD
|
29,850,000,000
USD
|
3,632,000,000
USD
|
432,000,000
USD
|
30,854,000,000
USD
|
6,000,000
USD
|
28,098,000,000
USD
|
739,000,000
USD
|
692,000,000
USD
|
28,837,000,000
USD
|
4,000,000
USD
|
25,117,000,000
USD
|
97,000,000
USD
|
3,774,000,000
USD
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities | — |
520,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
525,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — |
244,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
91,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Liabilities | — |
26,683,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
25,263,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
72,271,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
56,117,000,000
USD
|
— | — | — | — | — | — | — | — | — |